Clinical trials: Dietary Exposure
Diet Habit, Diet Modification
Interaction of Salivary Proteins and Polyphenols
Participants will be chosen through an initial sensory test to find high and low-perceivers of astringency. Selected participants will drink a chocolate milk or milk substitute beverage for one week each with washout weeks in…
- Conditions
- Diet Habit, Diet Modification, Taste, Altered, Saliva Altered
- Trial name
- NCT03501238
- Testing
- Chocolate Milk, Chocolate milk substitute, Chocolate milk substitute with gelatin
- Where
- United States
- Volunteers
- 63 people, healthy volunteers welcome
- Sponsor
- Purdue University
Type2 Diabetes
Effects of Fructose/Glucose-rich Diet on Brown Fat in Healthy Subjects (GB7)
Activating brown and beige adipose tissue (herein described as BAT) has been recently recognized as a potential means to increase energy expenditure and lower blood glucose, however, BAT activity appears to be reduced with…
- Trial name
- GB7 (NCT03188835)
- Testing
- Diet, cold exposure, 18FDG
- Where
- Canada
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Université de Sherbrooke
Healthy Women
Effect of an Antioxidant Dietary Supplement on Skin Radiance
A randomized, double-blind, placebo-controlled study evaluating the effects of an oral antioxidant dietary supplement on skin radiance in women exposed to urban air pollution.
- Trial name
- NCT07793123
- Testing
- Antioxidant Supplement
- Where
- France
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Robertet SA
Umami Taste Perception
Repeated Exposure to Umami Taste on Taste Perception, Hedonics, and Satiety
The purpose of this study is to determine how repeated dietary exposure to umami taste affects umami taste perception, hedonics, food preferences, and satiety.
- Trial name
- NCT03010930
- Testing
- Supplementation of diet with MSG, No supplementation of diet with MSG
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Cornell University
Environmental Exposure; Dietary Patterns; Nutritional Epidemiology; Human Biomonitoring
Assessing Toxic Metal Exposure From Vegetarian/Vegan, Omnivorous, and Low-carb Diets in Israel.
Different dietary intake may pose various health risks as as these have different potential exposure to heavy metals, which may originate from soils, irrigation systems, infrastructure, packaging, and other environmental…
- Trial name
- NCT07235332
- Testing
- Screening
- Where
- Israel
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Tel-Aviv Sourasky Medical Center
Dietary Exposure
Testing "Ultraprocessed" Front-of-package Label Among Brazilian Consumers
The goal of this experiment is to test the effects an "ultraprocessed" warning label on foods and beverages among Brazilian consumers.
- Trial name
- NCT05842460
- Testing
- Nutrient warning labels, Nutrient and ultraprocessed warning labels
- Where
- United States
- Volunteers
- 1,007 people, healthy volunteers welcome
- Sponsor
- University of North Carolina, Chapel Hill
Obesity, Childhood, Asthma in Children
Asthma and Obesity Diet Versus Exercise
Obesity is recognized as a pro-inflammatory condition associated with multiple chronic diseases, including asthma. The specific mechanisms linking asthma and obesity remain hypothetical.
- Conditions
- Obesity, Childhood, Asthma in Children, Inflammatory Response, Metabolic Syndrome
- Trial name
- NCT03644355
- Testing
- Lifestyle counseling
- Where
- United States
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Louisiana State University Health Sciences Center in New Orleans
Vitamin D Deficiency
Vitamin D and Health Status of British African-Caribbean Women
Vitamin D deficiency remains a global public health issue (Wilson 2017). In the United Kingdom (UK). There is a lack of research looking at vitamin D status of the British African-Caribbean population.
- Trial name
- NCT04179370
- Testing
- N/A - no intervention. Observational study.
- Where
- United Kingdom
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Surrey
Dietary Exposure
Discovery of Novel Biomarkers of Dietary Exposure in the EPIC Calibration Study
This proposal aims at identifying new biomarkers of dietary exposure using metabolomic approaches. This project is based on the European Prospective Investigation on Cancer and Nutrition (EPIC) Calibration Study and more…
- Trial name
- NCT03683654
- Testing
- Identify Biomarkers of Dietary Intake in Healthy Subjects
- Volunteers
- 494 people, healthy volunteers welcome
- Sponsor
- International Agency for Research on Cancer
Dietary Exposure, Safety Issues
Bioavailability of Vitamin D Photoisomers From UVB-exposed Button Mushrooms
The European Food Safety Authority has approved many applications for UVB light treated foods (e.g. UVB-exposed button mushrooms) in the last years.
- Trial name
- NCT05668832
- Testing
- UVB-exposed button mushrooms
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Martin-Luther-Universität Halle-Wittenberg
Prostate Cancer
Prostate Cancer Screening and Dietary Heterocyclic Amines in African American Men
RATIONALE: Screening may help doctors find prostate cancer sooner, when it may be easier to treat. The amount of heterocyclic amines in the diet may affect prostate cancer screening results and the risk of prostate cancer.
- Trial name
- NCT00354497
- Testing
- physiologic testing, study of socioeconomic and demographic variables, evaluation of cancer risk factors
- Where
- 2 sites in United States
- Volunteers
- 800 people, healthy volunteers welcome
- Sponsor
- Lawrence Livermore National Laboratory at University of California
Dietary Habits
Dietary Factors and Risk of Gallbladder Carcinoma in China
The purpose of this study is to see how people's diets, other aspects of their lifestyles affect their chances of getting gallbladder carcinoma in China.
- Trial name
- DRGBC001 (NCT03546296)
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Yingbin Liu, MD, PhD, FACS
Obesity, Adolescent Obesity
Exposure to CARDIovascular Risk Assessed by Cardiac Adiposity in oBese adOlescents Eligible to a Residential Long-term Lifestyle Intervention by Diet and eXercise (CARDIBOX)
The high prevalence of childhood obesity is a major public health issue, worldwide. Childhood obesity is associated with a high risk of cardiovascular events in adulthood, but recent studies also point out the development of…
- Trial name
- CARDIBOX (NCT04310371)
- Testing
- 3-month lifestyle intervention
- Where
- France
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University Hospital, Clermont-Ferrand
Environmental Exposure, PFAS Exposure
Effect of a Dietary Supplement Versus Placebo on Serum PFAS Levels in Male Firefighters
This study is designed to evaluate the effect of a probiotic dietary supplement containing Streptococcus salivarius on serum PFAS levels in male firefighters with documented occupational PFAS exposure, following twice-daily use…
- Trial name
- AFCRO202 (NCT07846371)
- Testing
- Streptococcus salivarius 46-SL1
- Where
- United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Cambiotics ApS
Environmental Exposure, Pregnancy Related
Prenatal Education on Environmental Exposures During Pregnancy Study (PEEPS)
The purpose of this project is to reduce maternal environmental exposures to toxicants through a patient education program designed to help pregnant women learn about exposure through consumption of contaminated seafood and to be…
- Conditions
- Environmental Exposure, Pregnancy Related, Preterm Birth, Chronic Respiratory Disease
- Trial name
- PEEPS (NCT07758114)
- Testing
- Educational Intervention
- Where
- 2 sites in United States
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- The University of Texas Medical Branch, Galveston
Sweetness Liking Adaptation
Liking Adaptation to Beverages With Varying Sweetness Levels After Prolonged Exposure
This is a double-blind, controlled, parallel, randomized sensory study. The study will consist of two cohorts; habitual regular full-calorie Carbonated Soft Drink (CSD) consumers and habitual low-calorie CSD consumers.
- Trial name
- NCT04609657
- Testing
- Flavored carbonated soft drink (CSD)
- Where
- United States
- Volunteers
- 168 people, healthy volunteers welcome
- Sponsor
- PepsiCo Global R&D
Ischemic Preconditioning, Dietary Exposure
Factors That Influence Blood Vessel Regulation During Exercise in Humans
This study will examine two separate interventions: 1) the effects of ischemic preconditioning or 2) a high fat meal on the capacity of the brachial artery to overcome sympathetic activation and dilate during exercise (also known…
- Trial name
- NCT04887610
- Testing
- Ischemic preconditioning, Ischemic preconditioning control, Low fat meal
- Where
- Canada
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Guelph
Dietary Carcinogenesis
Phase 2 Reduction of Dietary Mycotoxin Exposure by ACCS100"
The primary purpose of the study is to evaluate the effectiveness of a naturally occurring clay substance (ACCS100) in reducing harmful effects of aflatoxin exposure (a carcinogen) and fumonisin (a cancer promoter).
- Trial name
- RDMEACCS100 (NCT01677195)
- Testing
- ACCS100
- Where
- United States
- Volunteers
- 234 people, healthy volunteers welcome
- Sponsor
- Texas Enterosorbents Incorporated
Environmental Exposure
Pharmacokinetics of Benzo[a]Pyrene: Impact of Diet
Evaluation of the pharmacokinetics for [14C]-benzo[a]pyrene ([14C]-BaP) and metabolites in plasma and urine over 48 hours following a 50 ng dose (5.4 nCi) alone, following 7 days' consumption of Brussels sprouts, and following 7…
- Trial name
- NCT03802721
- Testing
- [14C]-benzo[a]pyrene, Brussels sprouts before 50 ng dose, DIM supplement before 50 ng dose
- Where
- United States
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- Oregon State University
Lutein and Zeaxanthin Dietary Intake, Age Related Macular Degeneration
Online Validation of Dietary Intake Food Frequency Questionnaire Over Four Weeks, and Electronic Device Use Questionnaire Over Eight Weeks.
Tools to investigate dietary lutein and zeaxanthin (L/Z) intake and electronic device (ED) use are important to progress research that investigates the role of ED blue light (BL) exposure, and dietary L/Z intake on macular…
- Conditions
- Lutein and Zeaxanthin Dietary Intake, Age Related Macular Degeneration, Blue Light Exposure, Electronic Device Use
- Trial name
- NCT04779411
- Testing
- Weekly Food Frequency Questionnaire, Monthly Food Frequency Questionnaire, 24-Hour Diet Recall
- Where
- Australia
- Volunteers
- 183 people, healthy volunteers welcome
- Sponsor
- The University of Queensland